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FTOS Configuration Guide for the C-Series - Force10 Networks

FTOS Configuration Guide for the C-Series - Force10 Networks

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<strong>Configuration</strong> In<strong>for</strong>mation<br />

The software supports BGPv4 as well as <strong>the</strong> following:<br />

• deterministic multi-exit discriminator (MED) (default)<br />

• a path with a missing MED is treated as worst path and assigned an MED value of (0xffffffff)<br />

• <strong>the</strong> community <strong>for</strong>mat follows RFC 1998<br />

• delayed configuration (<strong>the</strong> software at system boot reads <strong>the</strong> entire configuration file prior to sending<br />

messages to start BGP peer sessions)<br />

The following are not yet supported:<br />

• auto-summarization (<strong>the</strong> default is no auto-summary)<br />

• synchronization (<strong>the</strong> default is no synchronization)<br />

BGP <strong>Configuration</strong><br />

To enable <strong>the</strong> BGP process and begin exchanging in<strong>for</strong>mation, you must assign an AS number and use<br />

commands in <strong>the</strong> ROUTER BGP mode to configure a BGP neighbor.<br />

By default, BGP is disabled.<br />

Defaults<br />

By default, <strong>FTOS</strong> compares <strong>the</strong> MED attribute on different paths from within <strong>the</strong> same AS (<strong>the</strong> bgp<br />

always-compare-med command is not enabled).<br />

Note: In <strong>FTOS</strong>, all newly configured neighbors and peer groups are disabled. You must enter <strong>the</strong><br />

neighbor {ip-address | peer-group-name} no shutdown command to enable a neighbor or peer<br />

group.<br />

<strong>FTOS</strong> <strong>Configuration</strong> <strong>Guide</strong>, version 7.7.1.0 475

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